CN1729071A - An indexable cutting insert with chip breaker - Google Patents

An indexable cutting insert with chip breaker Download PDF

Info

Publication number
CN1729071A
CN1729071A CNA2003801068904A CN200380106890A CN1729071A CN 1729071 A CN1729071 A CN 1729071A CN A2003801068904 A CNA2003801068904 A CN A2003801068904A CN 200380106890 A CN200380106890 A CN 200380106890A CN 1729071 A CN1729071 A CN 1729071A
Authority
CN
China
Prior art keywords
cutting tip
chip breaker
cutting
groove
protuberance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2003801068904A
Other languages
Chinese (zh)
Other versions
CN100488678C (en
Inventor
马茨·荣松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seco Tools AB
Original Assignee
Seco Tools AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seco Tools AB filed Critical Seco Tools AB
Publication of CN1729071A publication Critical patent/CN1729071A/en
Application granted granted Critical
Publication of CN100488678C publication Critical patent/CN100488678C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B27/00Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/16Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
    • B23B27/1614Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts of special shape clamped against the walls of the recess in the shank by a clamping member acting upon the wall of a hole in the insert
    • B23B27/1618Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts of special shape clamped against the walls of the recess in the shank by a clamping member acting upon the wall of a hole in the insert characterised by having chip-breakers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2200/00Details of cutting inserts
    • B23B2200/12Side or flank surfaces
    • B23B2200/125Side or flank surfaces discontinuous
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2200/00Details of cutting inserts
    • B23B2200/16Supporting or bottom surfaces
    • B23B2200/165Supporting or bottom surfaces with one or more grooves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2200/00Details of cutting inserts
    • B23B2200/36Other features of cutting inserts not covered by B23B2200/04 - B23B2200/32
    • B23B2200/3627Indexing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2205/00Fixation of cutting inserts in holders
    • B23B2205/16Shims
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2260/00Details of constructional elements
    • B23B2260/072Grooves
    • B23B2260/0725Spiral
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2200/00Details of milling cutting inserts
    • B23C2200/16Supporting or bottom surfaces
    • B23C2200/167Supporting or bottom surfaces star form
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/23Cutters, for shaping including tool having plural alternatively usable cutting edges
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/23Cutters, for shaping including tool having plural alternatively usable cutting edges
    • Y10T407/235Cutters, for shaping including tool having plural alternatively usable cutting edges with integral chip breaker, guide or deflector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/24Cutters, for shaping with chip breaker, guide or deflector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/24Cutters, for shaping with chip breaker, guide or deflector
    • Y10T407/245Cutters, for shaping with chip breaker, guide or deflector comprising concave surface in cutting face of tool

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Milling Processes (AREA)
  • Dry Shavers And Clippers (AREA)

Abstract

The present invention relates to a cutting insert for chip removing machining, preferably for turning. The cutting insert (10'') has a substantially circular cutting edge (14'') formed at a transition between an upper side (11'') and an edge surface of the cutting insert. The upper side (11'') comprises a chip surface (15'') comprising at least one chip breaker portion (18'') and said edge surface constituting a clearance surface (13'') . having means (20'') for indexing the cutting insert. The chip breaker portion (18'') is provided at varying distance from the associated cutting edge (14''). The means (20'') is provided in a position relative to a reference line or axis of the tool in order to orient the chip breaker portion (18'') in the chip surface (15'') to a desired position.

Description

Indexable cutting inserts with chip-breaking
Technical field
The present invention relates to a kind of cutting tip, cutting tool and backing plate in order to chip removing machining according to the independent claims preamble, and a kind of method that cutting tip is installed.
Background technology
In metal working tool, often use the circular cutting tip of hard wear resistant materials such as carbide alloy.But a problem that produces in using circular cutting tip process is exactly this blade can arbitrarily be reversed easily because of operator and cutting force in knife rest.Although for circular cutting tip is locked in the knife rest, US-A-6, a plurality of documents such as 146,060, US-A-5,478,175, US-A-3,383,748 and US-A-5,346,336 have all proposed different schemes.But formal in chip breaking, this blade still has problems.For example they just are difficult to chip breaking when little cutting depth and little feeding.But at US-A-5,478,175 and US-A-3, the circular cutting tip of chip-breaking has been proposed to have in 383,748 documents such as grade, this is in the problem that has solved the latter in varying degrees.At US-A-5, in 346,336, shown circular cutting tip has five facets of evenly separating on clearance face.These facets constitute the indexable qualification of cutting tip position.Each facet all forms an acute angle with the cutting tip central axis.Lock-screw is fastened to cutting tip in the draw-in groove of knife rest.The latter's the existing problem of circular cutting tip is difficult to chip breaking exactly when little cutting depth and little feeding.
Other document that shows circular cutting tip is JP08-174311 and US-A-6164878.
Summary of the invention
One object of the present invention just provides a kind of cutting tip of avoiding the problems referred to above.
Another object of the present invention just provides a kind of cutting tip that can chip breaking when little cutting depth and little feeding.
Another object of the present invention just provides a kind of built-in cutting tip of chip breaker portions.
The cutting tip that another object of the present invention just provides a kind of cutter and has adjustable chip breaker portion.
Another object of the present invention just provides a kind of cutter, cutting tip, and backing plate and method thereof, wherein cutting tip can be by the accurate transposition of simple mode.
Realize above-mentioned purpose by cutter, cutting tip and backing plate with feature in the independent claims subsequently.
The accompanying drawing summary
Below, narrate the cutting tool embodiment among the present invention with reference to the accompanying drawings, wherein:
Figure 1A illustrates the vertical view of cutting tip among the present invention;
Figure 1B shows the side view of cutting tip among Figure 1A;
Fig. 1 C shows the sectional view of C-D along the line among Figure 1A;
Fig. 1 D shows the part amplification sectional view of D along the line among Figure 1A;
Fig. 1 E shows the part amplification sectional view of E along the line among Figure 1A;
Fig. 1 F shows the part amplification sectional view of F along the line among Figure 1A;
Fig. 1 G shows the upward view of cutting tip among Figure 1A;
Fig. 2 A shows the vertical view of backing plate among the present invention;
Fig. 2 B shows the sectional view of B-B along the line in Fig. 2 A;
Fig. 2 C shows the backing plate stereogram according to Fig. 2 A;
Fig. 3 shows the cutting tip of cooperation each other and the stereogram of backing plate;
Fig. 4 shows the stereogram of cutter among the present invention;
Fig. 5 A, 5B and 5C show the vertical view of cutting tip among the present invention, carry out different engagements with workpiece.
Fig. 6 A-6C has illustrated among the present invention another embodiment in order to the cutting tip of machining with vertical view, side view and stereogram respectively.
Fig. 7 A-7C has illustrated among the present invention another embodiment in order to the cutting tip of machining with vertical view, side view and stereogram respectively.
The specific embodiment
Cutting tip 10 among Figure 1A-1D has the circular shape, and comprises upper side 11, the downside 12 and the edge surface 13 of truncated cone shape roughly, and this surface is substantially in order to connect upper side 11 and downside 12.The side 11 of this cutting tip 10 illustrates with grid, and reality is invisible on cutting tip.Be appreciated that above-mentioned grid is as the height profile line.Cutting tip 10 is one-sided and has positive geometry, acute angle in promptly above-mentioned edge surface 13 and upper side 11 form.Upper side 11 includes clearance surface 15, and above-mentioned edge surface 13 has constituted clearance face.Upper side 11 includes the circular cutting edge 14 of location around cutting tip 10.This clearance surface 15 is roughly recessed, and radially inwardly also downward-sloping from cutting edge 14, rises on the cutting edge plane again.Cutting edge 14 is arranged on the intersection between edge surface 13 and the clearance surface 15, and constitutes most of circumference of upper side 11.The part of an edge surface 13 and an imaginary cone coincides.Below downside 12, the end of this circular cone and the centre line C L of cutting tip 1 intersect.
In an illustrated embodiment, cutting tip 10 has the fastener hole 17 that can hold the trip bolt (not shown), and this screw can be fixed to cutting tip 10 on the knife rest.
Above-mentioned clearance surface 15 comprises at interval evenly promptly at interval 72 ° five chip breaker portions 18 or 18A, 18B, 18C, 18D, 18E.The radially inside portion of above-mentioned chip breaker portions is arranged on the cutting edge 14.Each chip breaker portions 18 is different at a distance of relevant cutting edge 14 distances.Each chip breaker portions 18 includes rib ridge 19, and rib ridge 19 is extending from distance periphery 0.02mm along curved path, and then towards fastener hole 17 directions of cutting tip.This rib ridge 19 is continuously in lifting on the direction of fastener hole 17.Above-mentioned curved path can be limited by the radius with the identical size of cutting tip periphery radius.The center of radius of this curved path is arranged in the periphery of cutting tip.All preferably in that upwardly extending distance to corresponding cutting edge 14 increases continuously towards the side of adjacent chip breaker, promptly rib ridge 19 and cutting edge increase in spacing on the direction of adjacent chip breaker each chip breaker portions 18.Usually, when cutting tip illustrated with vertical view, rib ridge 19 or its tangent line and corresponding cutting edge or its tangent line formed acute angle.From Fig. 1 D-1E as can be seen, the lowest point of clearance surface 15 on different cross section.Distance X is represented the radial distance between above-mentioned minimum point and the cutting edge 14, is respectively 1.49mm, and 0.72mm in the embodiment shown, is 0.14mm.Rib ridge 19 is the function of above-mentioned distance X apart from the distance of corresponding cutting edge 14, promptly the rib ridge to the distance of corresponding cutting edge 14 on the cross section preferably greater than 2 times of X.And the clearance surface appearance on above-mentioned rib ridge 19 each side all can be seen.
Interchangeable, the center of radius of above-mentioned curved path can be arranged on the outside of cutting tip periphery.And this path can be parabola shaped, ellipse or analogous shape.Interchangeable, rib ridge 19 can be made of a plurality of each intervals and protuberance that have roughly the same chip breaking function.And, can for example with 180 °, 120 °, 90 ° and 60 ° 2-4 or 6 chip breaker portions be arranged on the above-mentioned upper side respectively with even interval.Rough cut blade with 2-3 chip breaker portions is in order to carrying out the processing of full depth, and has the processing of the cutting tip of 6 chip breaker portions in order to little cutting depth.Rough cut blade with 2 chip breaker portions preferably is provided with progressive reinforcing chamfering (chamfer) along cutting edge, promptly in Figure 1A, and the chamfering that width increases between two chip breaker portions in the counterclockwise direction.Certainly, the diameter of cutting tip determines its application.
The downside 12 of cutting tip comprises indexable 20 or the 20A at 72 ° at a plurality of evenly spaced apart i.e. intervals, 20B, and 20C, 20D, 20E is in order to the transposition of cutting tip.Each groove 20A-20E is made of radially extension slot, and the extension line of these grooves and the centre line C L of cutting tip 1 intersect, and each groove 20A-20E all can be from clearance face 13, and has the openend shown in Fig. 1 G thus.Interchangeable, above-mentioned groove can be designed to have one or two blind ends.The geometry of these grooves makes as far as possible little being affected of the intensity of cutting tip, has promptly also avoided the generation wedge angle in these grooves.Simultaneously, expect that this groove can also prevent that cutting tip from rotating relative to the limited of backing plate protuberance.When with vertical view cutting tip being shown, groove 20A-20E roughly is arranged on the centre of two adjacent chip breaker portions.Each groove 20 the plane, place of downside 12 or be parallel on the plane of downside width all with two adjacent radial outer end portions of chip breaker portions 18 between distance equate or smaller a little.In an illustrated embodiment, above-mentioned chip breaker portions can be above-mentioned relatively 36 ° of indexable rotations.Interchangeable, protuberance rather than groove 20A-20E can be set on above-mentioned downside 12.And 2-4 or 6 grooves or protuberance can be set on above-mentioned downside 12.Cutting tip is preferably identical with chip breaker portions quantity at upper side in the groove quantity of downside.
In Fig. 2 A-2C, show according to backing plate 21 of the present invention.This backing plate 21 is circular, and comprises opposed first 22 and second 23, and centre bore 24.This surface 22,23 is parallel surface, thereby forms the plane that abuts against on insert pocket and the cutting tip.This backing plate has columniform anchor ring 25.First face of above-mentioned downside 22 is roughly parallel to second or upper side 23.This upper side 23 has protuberance or boss 26.The roughly radial dimension of this protuberance 26 intersects the center line of its imaginary extension line and backing plate.This protuberance geometric profile is such that it will prevent the movable mating groove relative to above-mentioned cutting tip to produce or even limited rotating.The cross section of this protuberance and the cross section of above-mentioned groove be roughly complementary in shape, but in height a little some less than the height of above-mentioned groove, so that avoid cutting tip to tilt.Interchangeable, 2,3,4 or 6 grooves can be set substituting protuberance 26 on above-mentioned upper side 23, and evenly promptly be provided with 2,3,4 or 6 protuberances with 180 °, 120 °, 90 °, 72 ° or 60 ° of ground at interval this moment on the downside 12 of cutting tip.
Below with reference to Fig. 3 and 4, show according to cutting tool 30 of the present invention.This cutting tool has knife rest 31, as the bearing support that supports turning cutting tool.This cutter has the draw-in groove 32 that holds cutting tip.This draw-in groove comprises the base-plates surface 33 and vertical boss 34,35 that is essentially the plane.Each boss all has the upper surface of indent, abuts against on the edge surface 13 of cutting tip.Screwed hole near but be not arranged in said base face 33 in the heart so that trip bolt just can make cutting tip lean against on above-mentioned boss and the seat surface 33 with usual way.Backing plate 21 is fixing by usual way by the trip bolt (not shown).Such trip bolt has external screw thread and internal thread, in order to be received in fixing other screw of fastening above-mentioned cutting tip afterwards of backing plate.With reference to figure 4, each groove 20A-20E all relatively the reference line of cutter or axis CL2 the location, the chip breaker portions 18A-18E on the clearance surface 15 is directed to the desired position.The normal of the angle bisecting line between the axis CL2 of this cutter and knife rest edge 31A, the 31B or the centre line C L 1 of cutting tip coincides, and these edges link to each other with boss 34,35.In milling cutter, axis CL2 is the rotation of cutter.The quantity of chip breaker portions 18A-18E is the multiple of protuberance or groove 20A-20E quantity, preferably 1,2,3 or 4 times.
In conventional holder, can utilize backing plate according to the present invention to replace existing circular shim.This backing plate has a centre bore that has the axle collar, and a screw leans against on this axle collar.Thereby this backing plate can manually rotate.A part of groove 20A-20E on the downside 12 of cutting tip fixedly leans against on the indexable protuberance of backing plate, thereby cutting tip according to the present invention is placed on the backing plate.On this position, cutting tip and backing plate continuously are rotated together, and 18A-18E reaches the desired position up to chip breaker portions.The desired location of this protuberance should be as much as possible with tool axis CL2 side-by-side or in parallel so that lean against on the backing plate when tightening the load on the protuberance is reduced to minimum by screw thread at cutting tip.Subsequently, remove this cutting tip, tighten screw, backing plate just is fixed on the desired position like this.And then cutting tip is installed on the above-mentioned position, tighten anchor clamps or other screws or their securing members such as combination.Because the chip breaker portions of cutting tip is suitable for interior groove 20A-20E of cutting tip downside and the indexable protuberance 26 on the backing plate, therefore a new cutting edge can be inserted to suitable position or replace cutting tip, with the same, can carry out chip breaking exactly with the cutting edge of last wearing and tearing.
In addition, owing to can carry out transposition more accurately, so can make full use of above-mentioned cutting tip.Chip breaker portions 18A-18E can increase or reduce chip breaking trend, changes cutting force so that how to locate when can be according to backing plate and cutting tip initial.
Therefore at direction of feed F, when little cutting depth ap and/or low feed speed are carried out turning, can regulate the chip breaker portions 18A-18E among Fig. 5 A, to obtain good chip breaking effect.Chip breaker portions 18A-18E is set to the movable part near circular cutting edge 14, or is positioned as close to the rotation of workpiece.This also is a preferred positions when turning difficulty chip breaking material.When middle cutting depth and/or middle feed speed are carried out turning, can regulate the chip breaker portions 18A-18E among Fig. 5 B, to obtain good chip breaking effect.Chip breaker portions 18A-18E be set to than in Fig. 5 A away from the movable part of above-mentioned circular cutting edge 14, perhaps away from the rotation of workpiece.When full depth and/or roughing feed speed are carried out turning, can regulate the chip breaker portions 18A-18E among Fig. 5 C, to obtain good chip breaking effect.Chip breaker portions 18A-18E be set to than in Fig. 5 B away from the movable part of above-mentioned circular cutting edge 14, perhaps away from the rotation of workpiece.A new chip breaker portions is in place on the position according to Fig. 5 C, just can be to favourable the working of chip breaking, this chip breaking be in the axial turning with full depth or at direction of feed F ' promptly at least in part in planing/copying of implementing feed motion in the radial direction.When processing had 90 ° of angles of middle radius, it was very favourable using the cutting tip that has four chip breaker portions.In processing during the adjacent axle collar, can the same chip breaker portion when the vertical turning be regulated.With the position among Fig. 5 A (0 °) as a reference, the availability interval of regulating cutting tip is roughly in 40 °, promptly 0-40 °.The size of this control interval depends on the quantity of chip breaker portions on the cutting tip.
Another embodiment in order to the one-sided cutting tip 10 ' of chip removing machining has been shown among Fig. 6 A-6C.This cutting tip is supported by the basal plane of conventional shim or insert pocket.This cutting tip 10 ' is circular, and for example comprises that five are gone up device such as equally distributed facet 20 ' at edge surface 13 ', in order to the cutting tip transposition on the knife rest (not shown).These facets constitute the qualification position of above-mentioned cutting tip transposition.Each facet all forms an acute angle with the central axis of cutting tip.This cutting tip 10 ' has the cutting edge 14 ' of circular, and this cutting edge forms at the edge surface 13 ' and the changeover portion between the upper side 11 ' of cutting tip.Upper side 11 ' comprises clearance surface 15 ', and this clearance surface has at least one chip breaker portions 18 '.This edge surface 13 ' constitutes a clearance face.Above-mentioned edge surface 13 ' also can have other geometry, and for example the cross section is recessed or convex form or comprise some grooves.Above-mentioned chip breaker portions 18 ' is arranged on the position of relevant cutting edge 14 ' different distance.With reference to figure 4, each facet 20 ' all is arranged on the position of relative cutter reference line or axis, so that the chip breaker portions on the above-mentioned clearance surface 15 ' 18 ' is directed on the desired position.This cutting tip all has a facet to each chip breaker portions, thereby knife rest obtains five fixed positions relatively.Each facet 20 ' is all identical or smaller a little with the distance between two adjacent radial outer ends in chip breaker portions 18 ' at the width on the plane, downside 12 ' place.
One-sided cutting tip 10 in order to chip removing machining has been shown among Fig. 7 A-7C " another embodiment.This cutting tip is supported by the basal plane of conventional shim or insert pocket.This cutting tip 10 " be circular, and for example comprise ten at edge surface 13 " go up equally distributed facet 20 " etc. device, in order to the cutting tip transposition on the knife rest (not shown).These facets constitute the qualification position of above-mentioned cutting tip transposition.Each facet all forms an acute angle with the central axis of cutting tip.This cutting tip 10 " cutting edge 14 with circular ", this cutting edge is at the edge surface 13 of cutting tip " and upper side 11 " between changeover portion form.Above-mentioned edge surface 13 " also can have other geometry, for example the cross section is recessed or convex form or comprise some grooves.Upper side 11 " comprise clearance surface 15 ", this clearance surface has at least one chip breaker portions 18 ".This edge surface 13 " clearance face of formation.Above-mentioned chip breaker portions 18 " be arranged on relevant cutting edge 14 " on the position of different distance.With reference to figure 4, each facet 20 " all be arranged on the position of relative cutter reference line or axis, with above-mentioned clearance surface 15 " on chip breaker portions 18 " be directed on the desired position.This cutting tip all has two facets to each chip breaker portions, thereby makes the relative knife rest of chip-breaking have two different positions.Thereby the relative knife rest of cutting tip can obtain ten fixed positions.Each facet 20 " at downside 12 " width on the plane, place is all than in chip breaker portions 18 " and two adjacent radial outer ends between distance little.
Therefore, the present invention relates to a kind of cutter and cutting tip, can be by means of the chip breaking when little cutting depth and the little feeding of adjustable chip breaker portions, wherein accurately transposition of cutting tip.And shown cutting tip can use in conventional holder, and has or do not have the backing plate among conventional shim or the present invention.
Use although the above embodiment of the present invention relates to a kind of turning, the present invention can also be applied on the milling cutter, and wherein circular cutting tip is arranged on the periphery of cutter.Here shown in cutting tip be right-hand design, but its how much mechanisms also can be mirror-inverted, and are left-handed design.
The present invention is not only limited to the above embodiments, can make amendment in the scope of claim subsequently.
And what can expect is that above-mentioned cutting tip geometry also can carry out different combinations.

Claims (10)

1. one kind is used for chip removing machining, be preferred for the cutting tip (10) of turning, described cutting tip (10) has the basic circular cutting edge (14) that is, this cutting edge forms at the upper side (11) and the changeover portion place between the edge surface (13) of cutting tip, described upper side (11) comprises the clearance surface (15) with at least one chip breaker portions (18A-18E), and described edge surface (13) constitutes clearance face, described edge surface is connected to the downside (12) of cutting tip, described downside (12) comprises at least one protuberance or groove (20A-20E), to be used for the transposition of cutting tip
It is characterized in that, described chip breaker portions (18A-18E) is arranged on apart from the different distance of corresponding cutting edge (14), and described protuberance or groove (20A-20E) are on the relative position of the reference line of cutter or axis (CL2), so that the chip breaker portions (18A-18E) in the described clearance surface (15) is directed on the desired position, and the number of described chip breaker portions (18A-18E) is the multiple of protuberance or groove (20A-20E) number.
2. cutting tip as claimed in claim 1, it is characterized in that, described cutting tip is one-sided, and upward a plurality of identical chip breaker portions (18A-18E) are set at clearance surface (15), and upward a plurality of identical protuberances or groove (20A-20E) are set with even interval at the downside (12) of cutting tip with even interval.
3. cutting tip as claimed in claim 1 or 2, it is characterized in that, each chip breaker portions (18A-18E) has included rib ridge (19), described rib ridge is being advanced along curved path on the direction at cutting tip center substantially, and the number of the chip breaker portions (18A-18E) of described cutting tip on the number of protuberance on this cutting tip downside or groove (20A-20E) and upper side is identical.
4. each described cutting tip in the claim as described above is characterized in that when observing cutting tip in the top view mode, described protuberance or groove (20A-20E) are arranged on the centre of two adjacent chip breaker portions (18A-18E) basically.
5. one kind is used for chip removing machining, be preferred for the cutting tool of turning, comprise knife rest (31), at least one comprises the circular shim (21) of relative first (22) and second (23), and at least one cutting tip (10), described knife rest has at least one insert pocket with seat surface (33) (32), this cutting tip has circular cutting edge (14), this cutting edge forms at the upper side (11) and the changeover portion place between the edge surface (13) of cutting tip, described upper side (11) comprises the clearance surface (15) with at least one chip breaker portions (18A-18E), described edge surface (13) constitutes clearance face, described backing plate (21) is arranged between the seat surface (33) and cutting tip (10) of insert pocket, described cutting tool (30) has the device that its parts are fixed together
It is characterized in that, described cutting tip is one-sided, and described chip breaker portions (18A-18E) is arranged on apart from the different distance of corresponding cutting edge (14), and described backing plate (21) and cutting tip (10) comprise at least one pair of protuberance that matches (26) and groove (20A-20E), to be used for the transposition of cutting tip, described paired protuberance that matches and groove are arranged on the position with respect to the reference line of cutter or axis (CL2), so that the chip breaker portions (18A-18E) in the described clearance surface (15) is directed to required relative position place, and the number of described chip breaker portions (18A-18E) is the multiple of protuberance or groove (20A-20E) number.
6. cutting tool as claimed in claim 5 is characterized in that, described cutting tip is one-sided, and first (22) of seat surface of described insert pocket (33) and backing plate are to be parallel to each other.
7. as claim 5 or 6 described cutting tools, it is characterized in that, upward a plurality of identical chip breaker portions (18A-18E) are set at clearance surface (15) with even interval, and go up at the downside (12) of cutting tip and a plurality of identical protuberances or groove (20A-20E) to be set, and the number of the chip breaker portions (18A-18E) of described cutting tip on the number of protuberance on this cutting tip downside or groove (20A-20E) and upper side is identical with even interval.
8. as each described cutting tool among the claim 5-7, it is characterized in that when observing cutting tip in the top view mode, described protuberance or groove (20A-20E) are arranged on the centre of two adjacent chip breaker portions (18A-18E) basically.
9. circular shim that is used for cutting tool according to claim 5, be arranged in the insert pocket, so that support circular cutting tip in cutting tool, described backing plate (21) comprises relative first (22) and second (23) and centre bore (24)
It is characterized in that, described first (22) constitute the adjacent surface that abuts described insert pocket, and described second (23) of this backing plate constitute the adjacent surface that abuts cutting tip, and described second (23) comprise at least one protuberance (26) or groove, are used for the transposition of above-mentioned cutting tip.
10. one kind is installed in the knife rest cutting tip to be used for chip removing machining, be preferred for the method for turning, described cutting tip (10) has basic for circular basic configuration and comprise at least one cutting edge (14), this cutting edge forms at the upper side (11) and the changeover portion place between the edge surface (13) of cutting tip, described upper side (11) comprises the clearance surface (15) with at least one chip breaker portions (18A-18E), and described edge surface (13) constitutes clearance face, described cutting tool (30) has the device that its parts are fixed together, described cutting tip has protuberance or groove (20A-20E) on its downside (12)
It is characterized in that described method comprises the following steps:
Knife rest is provided, and it has at least one insert pocket with seat surface (33) (32),
Circular shim (21) is set in described insert pocket, described backing plate (21) comprises relative first (22) and second (23) and centre bore (24), described first (22) constitute the adjacent surface that abuts described seat surface, described second (23) comprise at least one protuberance (26) or groove
Cutting tip with a plurality of chip breaker portions (18A-18E) (10) is provided, and the number of described chip breaker portions is the multiple of protuberance or groove (20A-20E) number,
Described backing plate is screwed on the described seat surface (33) gently, so that this backing plate can be rotated,
Described cutting tip (10) is positioned in such a way on described backing plate, that is, one of them groove (20A-20E) in the downside (12) of described cutting tip is assembled on the indexable protuberance (26) of described backing plate,
Rotate described cutting tip and backing plate together continuously, reach the desired position up to chip breaker portions,
Remove described cutting tip, and tighten screw, thereby backing plate is fixed on the desired position, and
Described cutting tip is installed in described position, and cutting tip is fixed in the described draw-in groove by fastener.
CNB2003801068904A 2002-12-20 2003-12-17 An indexable cutting blade with chip breaker Expired - Fee Related CN100488678C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE02038651 2002-12-20
SE0203865A SE525913C2 (en) 2002-12-20 2002-12-20 Cutter, tool and method of mounting the insert where the insert can be oriented in the desired position

Publications (2)

Publication Number Publication Date
CN1729071A true CN1729071A (en) 2006-02-01
CN100488678C CN100488678C (en) 2009-05-20

Family

ID=20290012

Family Applications (2)

Application Number Title Priority Date Filing Date
CNB2003801069057A Expired - Fee Related CN100488679C (en) 2002-12-20 2003-12-17 A cutting blade, a cutter, a shim and a method
CNB2003801068904A Expired - Fee Related CN100488678C (en) 2002-12-20 2003-12-17 An indexable cutting blade with chip breaker

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CNB2003801069057A Expired - Fee Related CN100488679C (en) 2002-12-20 2003-12-17 A cutting blade, a cutter, a shim and a method

Country Status (8)

Country Link
US (3) US7198437B2 (en)
EP (2) EP1597009B1 (en)
KR (2) KR101036116B1 (en)
CN (2) CN100488679C (en)
AT (2) ATE541660T1 (en)
CZ (2) CZ299935B6 (en)
SE (1) SE525913C2 (en)
WO (2) WO2004056514A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101890528A (en) * 2010-06-25 2010-11-24 成都工研科技股份有限公司 Disc-shaped cutting tool
CN102686344A (en) * 2010-01-06 2012-09-19 特固克有限会社 Internal groove insert and tool holder therefor
CN105269058A (en) * 2015-11-13 2016-01-27 株洲钻石切削刀具股份有限公司 Cutting tool provided with circular blades
CN106660148A (en) * 2014-09-24 2017-05-10 山特维克知识产权股份有限公司 A cutting tool and a cutting insert for a chip-removing tool
CN103372673B (en) * 2012-04-24 2017-12-22 钴碳化钨硬质合金公司 Indexable circular cutting insert
CN113710395A (en) * 2019-05-16 2021-11-26 山特维克科洛曼特公司 Turning tool for metal cutting

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE525913C2 (en) * 2002-12-20 2005-05-24 Seco Tools Ab Cutter, tool and method of mounting the insert where the insert can be oriented in the desired position
US8573901B2 (en) * 2003-09-02 2013-11-05 Kennametal Inc. Assembly for rotating a cutting insert during a turning operation and inserts used therein
FR2883207B1 (en) * 2005-03-17 2008-10-03 Essilor Int TOOL AND MACHINE FOR MACHINING OPERATIONS WITH A REPEATED WORK HAZARD
JP4644259B2 (en) * 2006-02-08 2011-03-02 株式会社コガネイ Machining tool and machining method
KR100832869B1 (en) * 2006-07-20 2008-05-28 한국야금 주식회사 Cutting insert for reducing cutting resistance
KR100772269B1 (en) * 2006-09-21 2007-11-01 동부일렉트로닉스 주식회사 Design method of mtcmos semiconductor integrated circuit
WO2008149371A1 (en) * 2007-06-06 2008-12-11 No Screw Ltd. A cutting tool holder and a cutting insert therefor
DE102008037915B3 (en) * 2008-08-14 2009-08-13 Kennametal Inc. Indexable insert
DE202009004013U1 (en) * 2009-03-25 2009-06-10 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Shim for balancing a regrind length
KR101606935B1 (en) * 2009-07-09 2016-03-28 대구텍 유한회사 Assembly of double-sided indexable cutting insert and reinforced part
IL199936A0 (en) * 2009-07-19 2010-04-15 Iscar Ltd Rotary cutting tool and cutting insert therefor
WO2011021104A1 (en) * 2009-08-16 2011-02-24 Carmex Precision Tools Ltd. Insert, support, tool, and method
US8573903B2 (en) * 2009-11-03 2013-11-05 Kennametal Inc. Round cutting insert with anti-rotation feature
US8277153B2 (en) * 2009-12-02 2012-10-02 Kennametal Inc. Cutting insert and shim for heavy machining operations
US8388274B2 (en) * 2010-01-06 2013-03-05 Kennametal Inc. Round cutting insert with asymmetric chipbreaker feature
SE534651C2 (en) * 2010-02-12 2011-11-08 Sandvik Intellectual Property Cutting, tool part, procedure and machine tool for chip cutting metal machining
US20110262232A1 (en) * 2010-04-23 2011-10-27 Chin-Chiu Chen Lathe blade assembly
US8974154B2 (en) * 2011-03-11 2015-03-10 Sandvik Intellectual Property Ab Cutting insert and shim for milling cutters
US8657539B2 (en) 2011-03-28 2014-02-25 Kennametal Inc. Round cutting insert with reverse anti-rotation feature
RU2570682C1 (en) 2011-10-07 2015-12-10 Тунгалой Корпорейшн Cutting tool with changeable cutting edge
SE536343C2 (en) * 2012-01-16 2013-09-03 Sandvik Intellectual Property Milling tools and double-sided indexable cutter
USD709110S1 (en) 2012-04-24 2014-07-15 Kennametal Inc. Cutting insert
US9573203B2 (en) * 2012-09-07 2017-02-21 Sandvik Intellectual Property Ab Milling tool as well as a milling insert therefor
SE536855C2 (en) * 2013-01-23 2014-10-07 Sandvik Intellectual Property Milling tools with a support plate including an auxiliary cutting edge
US9649700B2 (en) 2013-03-18 2017-05-16 Kennametal Inc. Method for manufacturing an insert-receiving pocket wall with a compound radius
DE102013205889B3 (en) 2013-04-03 2014-05-28 Kennametal Inc. Coupling structure e.g. cutting head for rotary tool e.g. drilling tool, has coupling pin with clamping faces and stop surfaces that are arranged in different dispensing areas
US20150063926A1 (en) 2013-08-30 2015-03-05 Kennametal Inc. Indexable cutting insert with coolant delivery
US20150063931A1 (en) 2013-08-30 2015-03-05 Kennametal Inc. Indexable drill assembly and drill body having coolant supply
DE102013220884B4 (en) 2013-10-15 2022-02-17 Kennametal Inc. Modular carrier tool and tool head
US9375793B2 (en) 2013-10-29 2016-06-28 Kennametal Inc. Cutting insert for heavy machining operations
DE102014206796B4 (en) 2014-04-08 2020-10-15 Kennametal Inc. Rotary tool, in particular drill and cutting head for such a rotary tool
JP6538355B2 (en) * 2015-01-06 2019-07-03 中村留精密工業株式会社 Turning tool and true ball machining method
DE102015211744B4 (en) 2015-06-24 2023-07-20 Kennametal Inc. Rotary tool, in particular a drill, and cutting head for such a rotary tool
US9937567B2 (en) 2015-10-07 2018-04-10 Kennametal Inc. Modular drill
USD798922S1 (en) 2015-10-07 2017-10-03 Kennametal Inc. Cutting head for rotary drill
US10071430B2 (en) 2015-10-07 2018-09-11 Kennametal Inc. Cutting head, rotary tool and support for the rotary tool and for the accommodation of the cutting head
USD798921S1 (en) 2015-10-07 2017-10-03 Kennametal Inc. Cutting head for modular drill
US10183333B2 (en) 2016-02-03 2019-01-22 Iscar, Ltd. Circular cutting insert having non-circular peripheral edge
USD822079S1 (en) * 2016-12-02 2018-07-03 Korloy Inc. Cutting insert
DE102017205166B4 (en) 2017-03-27 2021-12-09 Kennametal Inc. Modular rotary tool and modular tool system
DE102017212054B4 (en) 2017-07-13 2019-02-21 Kennametal Inc. Method for producing a cutting head and cutting head
US10799958B2 (en) 2017-08-21 2020-10-13 Kennametal Inc. Modular rotary cutting tool
US10646927B2 (en) 2018-02-19 2020-05-12 Iscar, Ltd. Round double-sided cutting insert having a peripheral surface provided with protruding indexing latches, insert holder therefor and cutting tool
EP3738698B1 (en) * 2019-05-16 2022-11-02 AB Sandvik Coromant Turning insert for metal cutting, a cutting tool and a method to machine a metal workpiece
CN112077370B (en) 2019-06-13 2024-10-01 肯纳金属印度有限公司 Indexable drill insert
CN112219512A (en) * 2020-09-04 2021-01-15 南县伟业机械制造有限公司 Seedling throwing lattice cutter of wind-energy disordered seedling throwing machine
CN114309682A (en) 2020-09-30 2022-04-12 肯纳金属公司 Cutting insert
USD1006075S1 (en) * 2021-12-08 2023-11-28 Green Manufacturing, Inc. Tree stump grinding tooth

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2562699Y2 (en) * 1991-12-27 1998-02-16 京セラ株式会社 Indexable inserts
DE9201113U1 (en) * 1992-01-30 1993-02-25 Deitert, Heinz, 4836 Herzebrock-Clarholz Cutting plate
US5346336A (en) * 1992-11-04 1994-09-13 Sandvik, Inc. Metal-cutting insert having a round cutting edge
US5478175A (en) * 1993-08-24 1995-12-26 Greenleaf Corporation Cutting insert assembly
DE4431486A1 (en) * 1994-09-03 1996-03-07 Roediger Anlagenbau Vacuum sewage system
JPH08174311A (en) * 1994-12-21 1996-07-09 Dijet Ind Co Ltd Throwaway tip
IL112818A (en) * 1995-02-28 1999-10-28 Iscar Ltd Tool holder having a grooved seat
SE509363C2 (en) * 1995-09-25 1999-01-18 Sandvik Ab Fixing device removes cutting plates and cutting plate intended for such device
SE509594C2 (en) * 1996-01-26 1999-02-15 Sandvik Ab Indexing of inserts
US6190096B1 (en) * 1996-08-07 2001-02-20 Kennametal Inc. Indexable cutting insert with indexing marks
IL119841A (en) * 1996-12-16 2000-02-29 Iscar Ltd Cutting inserts
SE510851C2 (en) * 1996-12-23 1999-06-28 Sandvik Ab Cuts and holders for cutting metalworking
SE511390C2 (en) * 1997-03-05 1999-09-20 Sandvik Ab Device for clamping cutting plates for cutting metal machining
IL123685A (en) 1998-03-16 2001-09-13 Iscar Ltd Modular cutting tool assembly
US6050752A (en) * 1999-03-19 2000-04-18 Kennametal Inc. Cutting insert
US6540448B2 (en) * 2001-05-14 2003-04-01 Ingersoll Cutting Tool Company Cutting tool with improved insert seat arrangement for indexable cutting inserts
SE525913C2 (en) * 2002-12-20 2005-05-24 Seco Tools Ab Cutter, tool and method of mounting the insert where the insert can be oriented in the desired position
US7429152B2 (en) * 2003-06-17 2008-09-30 Kennametal Inc. Uncoated cutting tool using brazed-in superhard blank

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102686344A (en) * 2010-01-06 2012-09-19 特固克有限会社 Internal groove insert and tool holder therefor
CN102686344B (en) * 2010-01-06 2014-09-10 特固克有限会社 Internal groove insert and tool holder therefor
CN101890528A (en) * 2010-06-25 2010-11-24 成都工研科技股份有限公司 Disc-shaped cutting tool
CN103372673B (en) * 2012-04-24 2017-12-22 钴碳化钨硬质合金公司 Indexable circular cutting insert
CN106660148A (en) * 2014-09-24 2017-05-10 山特维克知识产权股份有限公司 A cutting tool and a cutting insert for a chip-removing tool
CN105269058A (en) * 2015-11-13 2016-01-27 株洲钻石切削刀具股份有限公司 Cutting tool provided with circular blades
CN113710395A (en) * 2019-05-16 2021-11-26 山特维克科洛曼特公司 Turning tool for metal cutting
CN113710395B (en) * 2019-05-16 2023-11-28 山特维克科洛曼特公司 Turning tool for metal cutting

Also Published As

Publication number Publication date
US7198437B2 (en) 2007-04-03
US20050244233A1 (en) 2005-11-03
ATE541660T1 (en) 2012-02-15
CZ2005387A3 (en) 2006-02-15
CZ299935B6 (en) 2008-12-29
WO2004056515A1 (en) 2004-07-08
USRE42644E1 (en) 2011-08-23
KR20050085813A (en) 2005-08-29
SE0203865L (en) 2004-06-21
CN1729072A (en) 2006-02-01
EP1597009B1 (en) 2012-01-18
CZ299936B6 (en) 2008-12-29
SE525913C2 (en) 2005-05-24
CN100488678C (en) 2009-05-20
KR101052708B1 (en) 2011-08-01
ATE522304T1 (en) 2011-09-15
KR101036116B1 (en) 2011-05-23
SE0203865D0 (en) 2002-12-20
US20050244232A1 (en) 2005-11-03
US7381015B2 (en) 2008-06-03
EP1597009A1 (en) 2005-11-23
EP1597008B1 (en) 2011-08-31
CN100488679C (en) 2009-05-20
CZ2005386A3 (en) 2006-02-15
EP1597008A1 (en) 2005-11-23
WO2004056514A1 (en) 2004-07-08
KR20050085814A (en) 2005-08-29

Similar Documents

Publication Publication Date Title
CN100488679C (en) A cutting blade, a cutter, a shim and a method
US6702526B2 (en) Cutting tool
US6877934B2 (en) Milling head for thread whirling
CN1097498C (en) Round bar blade and cutter head provided especially for same
EP2101947B1 (en) Cutting insert and cutting tool
CN1093449C (en) Face milling cutter
CN1071612C (en) Tool for metal cutting
CN1235568A (en) Tool for chip removing machining
CN1106240C (en) Cutting tool
US4934878A (en) Center and peripheral cutting end mill
WO1996018473A1 (en) Milling cutter body and a method for its production
CN1671501A (en) Disk-shaped or strip-shaped tool
US20210252615A1 (en) Double-sided tangential milling cutting insert
EP1499479B1 (en) Cutting tool
CN101384389A (en) Tool
KR101716009B1 (en) Adjustable cutting tool
JP2004195563A (en) Edge replaceable rotary tool and insert therefor
JP2006150491A (en) Milling cutter
JP2006136966A (en) Milling cutter

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090520

Termination date: 20171217

CF01 Termination of patent right due to non-payment of annual fee